icexloader | 8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb

Analysis

max time kernel
163s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
01-07-2022 05:38

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General

Target

8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe
Size

2.0MB
MD5

c5009a0d61af20e1b65995658e11ccd1
SHA1

64fa8d4f68bdb72bb0c2c006b20a7c0872e6a2c5
SHA256

8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb
SHA512

b6e630ca8a4b16b5dc4de75cb8745917b6249ab7fc3c3f8494ac20685254cdf7d8f4e5db8a05a2423a0b360daa57fe1d2675208367a135b35cf804696c8788d9

Score

10^/10

icexloader loader

Malware Config

Signatures

Detects IceXLoader v3.0 4 IoCs

resource	yara_rule
behavioral1/memory/2616-133-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral1/memory/2616-136-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral1/memory/2616-137-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral1/memory/2616-146-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3

icexloader
IceXLoader is a downloader used to deliver other malware families.
loader icexloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4956 set thread context of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
4652	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4616	powershell.exe
4616	powershell.exe
2596	powershell.exe
2596	powershell.exe
1528	powershell.exe
1528	powershell.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe
Token: SeDebugPrivilege	4616	powershell.exe
Token: SeDebugPrivilege	2596	powershell.exe
Token: SeDebugPrivilege	1528	powershell.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 4956 wrote to memory of 2616	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	82
PID 2616 wrote to memory of 4704	2616	RegAsm.exe	83
PID 2616 wrote to memory of 4704	2616	RegAsm.exe	83
PID 2616 wrote to memory of 4704	2616	RegAsm.exe	83
PID 4704 wrote to memory of 4616	4704	cmd.exe	85
PID 4704 wrote to memory of 4616	4704	cmd.exe	85
PID 4704 wrote to memory of 4616	4704	cmd.exe	85
PID 4956 wrote to memory of 2680	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	86
PID 4956 wrote to memory of 2680	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	86
PID 4956 wrote to memory of 2680	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	86
PID 2680 wrote to memory of 4652	2680	cmd.exe	88
PID 2680 wrote to memory of 4652	2680	cmd.exe	88
PID 2680 wrote to memory of 4652	2680	cmd.exe	88
PID 4956 wrote to memory of 4424	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	89
PID 4956 wrote to memory of 4424	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	89
PID 4956 wrote to memory of 4424	4956	8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe	89
PID 4704 wrote to memory of 2596	4704	cmd.exe	91
PID 4704 wrote to memory of 2596	4704	cmd.exe	91
PID 4704 wrote to memory of 2596	4704	cmd.exe	91
PID 4704 wrote to memory of 1528	4704	cmd.exe	92
PID 4704 wrote to memory of 1528	4704	cmd.exe	92
PID 4704 wrote to memory of 1528	4704	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe
"C:\Users\Admin\AppData\Local\Temp\8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\file.bat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4704
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command Set-MpPreference -DisableRealtimeMonitoring $true
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4616
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command Add-MpPreference -ExclusionExtension "C:\Users\Admin\AppData\Roaming\inN\.exe"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2596
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command Add-MpPreference -ExclusionPath "C:\Users\Admin"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1528
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\Adob Update\Adob Update.exe'" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\Adob Update\Adob Update.exe'" /f
    3⤵
    - Creates scheduled task(s)
    PID:4652
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\8f13d11171f32cbb2e13500af64b3eed5f7405c0a7c92045b7aa1b9752e09fcb.exe" "C:\Users\Admin\AppData\Roaming\Adob Update\Adob Update.exe"
  2⤵
  PID:4424

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
f217e67b732b8677c6a77584e640e6ad

SHA1
b76f143502a67906b89af30c842157012de356e0

SHA256
ab6b14d6f547558d2629d61bbc5d895174c555bee66d85abb83b27b9e2c94922

SHA512
cbcd7290e8b7602b37e5638f6ddbbb99f4e4000c5560c8943c241215994820ddd9852c079dda75a725547acf3c1e6ed681eec9e6d4eab70c6991a5d56a29113a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
f12ab3c867eded65c04801c8301151d3

SHA1
cde8496b4277d9ff61a480c862f89a3813dad745

SHA256
8f8dc8ff4c71df487308be7710c03b2776f42eb028bbf8dbbca6164b2d996228

SHA512
ec4f66b5043cffc40df9b159298b48a10c61292e0be8488fd4b44f6547708ff72dae121f11adcc84e19dbb40ed131dbf17798c140fa7c81f214fcf720a304dbf

Download Submit
C:\Users\Admin\AppData\Local\Temp\file.bat

Filesize
237B

MD5
2a3a80629926e8af2f9c970639634f55

SHA1
cfc4917692f475460a5123eb91708938d4c6a374

SHA256
36993488710fb210986d284dc81d4e65012632e06834aaef8fb3363fcd9bfb04

SHA512
827605494cff53966048aa9d734f3ab0ea774fd84885797a7ab24a6bda23827a98a3079eb9a2cf2e7ae27d0d86407a4f990d5a2862b791b4c16059cf74233dee

Download Submit
memory/1528-167-0x0000000070AC0000-0x0000000070B0C000-memory.dmp

Filesize
304KB

Download
memory/2596-164-0x0000000070AA0000-0x0000000070AEC000-memory.dmp

Filesize
304KB

Download
memory/2616-133-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2616-137-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2616-136-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2616-146-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4616-157-0x0000000007470000-0x0000000007506000-memory.dmp

Filesize
600KB

Download
memory/4616-141-0x0000000004930000-0x0000000004966000-memory.dmp

Filesize
216KB

Download
memory/4616-144-0x00000000057E0000-0x0000000005846000-memory.dmp

Filesize
408KB

Download
memory/4616-150-0x0000000004C80000-0x0000000004C9E000-memory.dmp

Filesize
120KB

Download
memory/4616-152-0x0000000070270000-0x00000000702BC000-memory.dmp

Filesize
304KB

Download
memory/4616-151-0x00000000064A0000-0x00000000064D2000-memory.dmp

Filesize
200KB

Download
memory/4616-153-0x0000000006480000-0x000000000649E000-memory.dmp

Filesize
120KB

Download
memory/4616-154-0x0000000007830000-0x0000000007EAA000-memory.dmp

Filesize
6.5MB

Download
memory/4616-155-0x00000000071E0000-0x00000000071FA000-memory.dmp

Filesize
104KB

Download
memory/4616-156-0x0000000007240000-0x000000000724A000-memory.dmp

Filesize
40KB

Download
memory/4616-145-0x00000000058C0000-0x0000000005926000-memory.dmp

Filesize
408KB

Download
memory/4616-158-0x0000000007420000-0x000000000742E000-memory.dmp

Filesize
56KB

Download
memory/4616-159-0x0000000007530000-0x000000000754A000-memory.dmp

Filesize
104KB

Download
memory/4616-160-0x0000000007510000-0x0000000007518000-memory.dmp

Filesize
32KB

Download
memory/4616-143-0x0000000004E00000-0x0000000004E22000-memory.dmp

Filesize
136KB

Download
memory/4616-142-0x0000000005140000-0x0000000005768000-memory.dmp

Filesize
6.2MB

Download
memory/4956-130-0x0000000000F50000-0x0000000000FFA000-memory.dmp

Filesize
680KB

Download
memory/4956-134-0x0000000005410000-0x00000000054A2000-memory.dmp

Filesize
584KB

Download
memory/4956-131-0x0000000005580000-0x0000000005B24000-memory.dmp

Filesize
5.6MB

Download